"An audio recording of a nocturnal advertisement chorus of many great plains toads, calling from a small pond in the grasslands of Cochise County, Arizona in August." Source: Gary Nafis, http://www.californiaherps.com/.

"This is a very short recording of a single nocturnal advertisement call from one toad at a small pond in the grasslands of Cochise County, Arizona in August." Source: Gary Nafis, http://www.californiaherps.com/